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CAD tip # 6895:

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	How to use spline as a breakline in Civil 3D?
	You can easily convert a spline curve to a polyline of the same shape and use this polyline for your terrain model (DTM). Use the `SPLINEDIT` command and its option "convert to Polyline". The `PLINECONVERTMODE` variable specifies whether your spline will be converted to arc (1) or line (0) segments. You can do the same in older AutoCAD and Civil versions with the SplineConvert utility.

Civil2010

* CAD

31.8.2009 6457×

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Civil 3D

AEC Collection

applies to: Civil 3D 2010 ·

See also:
Tip 12392:	Export unfolds of sheetmetal parts to DXF - parameters for iLogic and VBA
Tip 12282:	How to dimension radius and center of a spline in a given point?
Tip 12239:	How to extract isolines from a surface of a 3D object?
Tip 11769:	How to convert border lines (rails) to a surface?
Tip 11720:	How to export unfolded sheetmetal parts in Fusion 360?

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CAD tip # 6895:

How to use spline as a breakline in Civil 3D?